Antique Dorchester Pottery Works, Boston MA, Stoneware Warmer Signed C1890Antique Dorchester Pottery Works, Boston MA, Stoneware Warmer Signed C1890 (11 1 4" x 5 1 2" x 5 1 2"). Overall very good condition with loss to cork. Wear consistent with age and use. See photos This is an antique stoneware warmer from Dorchester Pottery Works, Boston, MA, circa 1890. The piece is signed and features a classic cylindrical shape with a cork stopper. Dorchester Pottery was known for its utilitarian stoneware, and this warmer